1 The passage of water over and through the land surface, ultimately towards the sea. See dendritic drainage; deranged drainage; discordant drainage; drainage density; drainage pattern; inconsequent drainage; and superimposed drainage.
2 Process of removing the gravitational water from soil, using artificial or natural conditions, such that freely moving water can drain, under gravity, through or off soil. See also mole drain; and tile drain.
Users without a subscription are not able to see the full content. Please,
or login to access all content.